SOURCE: Airconditioner compressor (clutch) on 2001
Resolution:
The problem turned out to be a blown fuse labelled EBL Clutch, located in the instrument console (side panel in the dashboard next to steering wheel on a RHD model).
I downloaded the manuals of the Neon and it advised a sequence of checks to be done:
1. Test High Pressure switch located on compressor - check that the switch w/o/ cable gives a closed reading, then test with bypass in cable.
2. Test Low pressure switch located on accumulator, ( I could not find this switch). Bypass of this switch should engage the compressor clutch
3. I discovered the blown fuse when trying to activate the rear window heater and saw that the light on the switch did not activate - went looking for the fuse for this device and then found the EBL Clutch, really by accident. Shows you how confusing an abbreviated label on a fuse can be and that it does not always support the significance of it.
Other observations:
1. A/C compressor cannot run non-stop and must be controlled by the A/C controller. Hard wiring the clutch and running the engine for a few minutes led to the compressor shuddering and then discharging some gas through the saftefy valve. Normally this power supply would have been interrupted by the high pressure valve.
2. Release of coolant gas from the high pressure safety valve located on the compressor may indicate a faulty high pressure switch, but the primary or underlying reason may be due to a blocked Dryer in the A/C system.
3. The Daimler Mercedes Neon Agents, and an A/C company and an auto electrical company all attended unsuccessfully to this problem. No discredit meant in any way, it just shows that the incorrect label here makes solving such an ordinary problem very problematic. If any advice can be given to the Agents, read the manual.
SOURCE: I have a 2008 Chrysler
Should still be under warrenty have it checked A/C issues can be expensive.
SOURCE: I have a 2006 Chrysler Town and Country. It blows
Low or no refrigerant will keep the compressor from getting power to prevent damage to the compressor. I would make sure the system has freon in it first.
SOURCE: Rad fan won't turn on when the car is at operating
The first thing I would check would be the temperature sensor that sends a signal to the relay to turn the fan on. Of course make sure you have plenty of water in the radiator or the sensor won't work at all. I have seen anti-freeze come through the sensor and corrode the wires shorting them out. So it could be broken wires, unplugged wires or a bad sensor. I am not sure exactly where the sensor is at on the Pacifica but your local parts store could show you. It is usually in the intake or cylinder head.
SOURCE: 2007 Chrysler pt cruiser ac clutch not
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